which of the following is an advantage of the dividend growth approach over SML in estimating the required return on equity

a) it is easy to fit flotation costs into the dividend growth model but not the SML

b) The dividend growth model uses market information but the SML does not

c) Dividend growth is known, whereas estimating beta for the SML is an art form.

d) All are advantages of the dividend growth model for estimating the required return on equity